Coronado Utilities Coronado Utilities is based in San Manuel, Arizona. Email info@jwwater.net Phone 888-519-4719 PAY YOUR BILL HERE CUSTOMER INFORMATION AND FORMS Coronado Application and Letter WATER RATE INFORMATION Coronado Wastewater Service Termination Tariff Coronado Wastewater Rate Case Expense Surcharge Tariff Coronado Wastewater Tariff of Rates and Charges